Choose the word which is different from the rest.

The answer is D. Paper.

Wood, cork, and stone are all natural materials, while paper is a manufactured material. Wood is a hard, fibrous material that comes from trees. Cork is a light, spongy material that comes from the bark of cork oak trees. Stone is a hard, dense material that comes from rocks. Paper is a thin, flexible material that is made from wood pulp.

Wood, cork, and stone are all used in a variety of products, including furniture, construction materials, and art. Paper is used in a variety of products, including books, newspapers, and packaging.